490080842 has 4 divisors (see below), whose sum is σ = 735121266. Its totient is φ = 245040420.

The previous prime is 490080841. The next prime is 490080869. The reversal of 490080842 is 248080094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 290395681 + 199685161 = 17041^2 + 14131^2 .

It is not an unprimeable number, because it can be changed into a prime (490080841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122520209 + ... + 122520212.

Almost surely, 2^490080842 is an apocalyptic number.

490080842 is a deficient number, since it is larger than the sum of its proper divisors (245040424).

490080842 is a wasteful number, since it uses less digits than its factorization.

490080842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245040423.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 490080842 is about 22137.7695805156. The cubic root of 490080842 is about 788.4168701793.

The spelling of 490080842 in words is "four hundred ninety million, eighty thousand, eight hundred forty-two".